Oyatsu Company Baby Star Ramen Hoshio-kun Wireless Earphones. This is a prize, not for sale. Brand new and unopened. Warranty period: Until April 20, 2026 Although it is new and unopened, please understand that it has been stored at home. Please refrain from purchasing if you are sensitive to such things. - Product Name: Wireless Earphones - Bluetooth Version: 5.1 - Battery Capacity: 230mAh - Playback Time: Approximately 3.5 hours - Charging Time: Approximately 2 hours